Findings

What do systematic reviews say?

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Evidence found and GRADE certainty

18 questions · 56 findings · 4 reviews · All outcomes

No studies found 0 · 0%GRADE not reported 56 · 100%Very low 0 · 0%Low 0 · 0%Moderate 0 · 0%High 0 · 0%

Caries assessment at dentine threshold (cavitation into dentine) vs None (descriptive prevalence review; subgroup analyses by urban/rural status, country and year)

Dental caries prevalence · European adolescents aged 12–19 years

Caries prevalence at the dentine threshold was about 56% (pooled 0.56, 95% CI 0.43 to 0.68; 15 studies; not GRADE-rated).

7 findings from 1 review
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Dental caries assessment (WHO/clinical diagnostic criteria; caries = DMFT>0) vs None (descriptive prevalence review; subgroup analyses by urban/rural status, country and year)

Dental caries prevalence · 12-year-old children (permanent dentition) in Africa

Pooled caries prevalence in Uganda was 0.27 (95% CI 0.126 to 0.418; 3 article(s); not GRADE-rated).

23 findings from 1 review
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Caries assessment at enamel threshold vs None (descriptive prevalence review; subgroup analyses by urban/rural status, country and year)

Dental caries prevalence · European adolescents aged 12–19 years

Enamel-threshold caries prevalence in subgroup 'Region: non-Scandinavian' was 0.74 (95% CI 0.53 to 0.96; 11 studies).

11 findings from 1 review
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Dental caries assessment (WHO/clinical diagnostic criteria; caries = DMFT>0) vs None (descriptive prevalence review; subgroup analyses by urban/rural status, country and year)

Dental caries prevalence · Healthy children and adolescents in the United Arab Emirates

Dental caries is highly prevalent among children and adolescents in the UAE, ranging from 22% to 99.4% across cross-sectional studies (narrative synthesis; not GRADE-rated).

1 finding from 1 review

Dental caries assessment (WHO/clinical diagnostic criteria; caries = DMFT>0) vs None (descriptive prevalence; random-effects pooled proportion)

Dental caries prevalence · Children (deciduous and/or permanent dentition) in low- and middle-income countries

About 39% of children in LMICs had dental caries (pooled prevalence 0.387, 95% CI 0.284 to 0.495; 11 studies; very high heterogeneity I2=99%; not GRADE-rated).

1 finding from 1 review